[en] We update the study of the production of direct $J/\Psi$ in association with a $Z$
boson at the Next-to-Leading Order (NLO) in $\alpha_S$ by evaluating both the yield differential in $P_T$ and the $J/\Psi$ polarisation in the QCD-based Colour-Singlet Model (CSM). Contrary to an earlier claim, QCD corrections at small and mid $P_T$ are small if one assumes that the factorisation and the renormalisation scales are commensurate with the $Z$ boson mass. As it
can be anticipated, the t-channel gluon-exchange (t−CGE) topologies start to be dominant only for $P_T > m_Z/2$. The polarisation pattern is not altered by the QCD corrections. This is thus far the first quarkonium-production process where this is observed in the CSM. Along the same lines, our predictions for direct $\Upsilon + Z$ are also given.
Disciplines :
Physics
Author, co-author :
Gong, Bin
Lansberg, Jean-Philippe ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Physique des astroparticules
Lorce, Cédric ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Physique des astroparticules
Wang, Jianxiong
Language :
English
Title :
Next-to-leading-order QCD corrections to the yields and polarisations of J/Psi and Upsilon directly produced in association with a Z boson at the LHC
Publication date :
2013
Journal title :
Journal of High Energy Physics
ISSN :
1126-6708
eISSN :
1029-8479
Publisher :
Institute of Physics Publishing (IOP), Bristol, United Kingdom
scite shows how a scientific paper has been cited by providing the context of the citation, a classification describing whether it supports, mentions, or contrasts the cited claim, and a label indicating in which section the citation was made.
Bibliography
M. Kramer, Quarkonium production at high-energy colliders, Prog. Part. Nucl. Phys. 47 (2001) 141 [ hep-ph/0106120 ] [ INSPIRE ]. (Pubitemid 32866617)
Quarkonium Working Group collaboration, N. Brambilla et al., Heavy quarkonium physics, CERN Yellow Report 2005-005, CERN, Geneva Switzerland (2005) [ hep-ph/0412158 ] [ INSPIRE ].
J. Lansberg, J/ψ, ψ ′ and Y production at hadron colliders: a review, Int. J. Mod. Phys. A 21 (2006) 3857 [ hep-ph/0602091 ] [ INSPIRE ].
J.M. Campbell, F. Maltoni and F. Tramontano, QCD corrections to J/ψ and Y production at hadron colliders, Phys. Rev. Lett. 98 (2007) 252002 [ hep-ph/0703113 ] [ INSPIRE ]. (Pubitemid 47139902)
P. Artoisenet, J. Lansberg and F. Maltoni, Hadroproduction of J/ψ and Y in association with a heavy-quark pair, Phys. Lett. B 653 (2007) 60 [ hep-ph/0703129 ] [ INSPIRE ].
B. Gong and J.-X. Wang, Next-to-leading-order QCD corrections to J/ψ polarization at Tevatron and Large-Hadron-Collider energies, Phys. Rev. Lett. 100 (2008) 232001 [ arXiv:0802.3727 ] [ INSPIRE ].
B. Gong and J.-X. Wang, QCD corrections to polarization of J/ψ and Y at Tevatron and LHC, Phys. Rev. D 78 (2008) 074011 [ arXiv:0805.2469 ] [ INSPIRE ].
P. Artoisenet, J.M. Campbell, J. Lansberg, F. Maltoni and F. Tramontano, Y production at Fermilab Tevatron and LHC energies, Phys. Rev. Lett. 101 (2008) 152001 [ arXiv:0806.3282 ] [ INSPIRE ].
C.-H. Chang, Hadronic production of J/ψ associated with a gluon, Nucl. Phys. B 172 (1980) 425 [ INSPIRE ].
R. Baier and R. Ruckl, Hadronic production of J/ψ and Y: transverse momentum distributions, Phys. Lett. B 102 (1981) 364 [ INSPIRE ].
R. Baier and R. Ruckl, Hadronic collisions: a quarkonium factory, Z. Phys. C 19 (1983) 251 [ INSPIRE ].
J. Lansberg, On the mechanisms of heavy-quarkonium hadroproduction, Eur. Phys. J. C 61 (2009) 693 [ arXiv:0811.4005 ] [ INSPIRE ].
N. Brambilla et al., Heavy quarkonium: progress, puzzles and opportunities, Eur. Phys. J. C 71 (2011) 1534 [ arXiv:1010.5827 ] [ INSPIRE ].
Z. Conesa del Valle et al., Quarkonium production in high energy proton-proton and proton-nucleus collisions, Nucl. Phys. Proc. Suppl. 214 (2011) 3 [ arXiv:1105.4545 ] [ INSPIRE ].
R. Li and J.-X. Wang, Next-to-leading-order QCD corrections to J/ψ(Y)+\gamma production at the LHC, Phys. Lett. B 672 (2009) 51 [ arXiv:0811.0963 ] [ INSPIRE ].
J. Lansberg, Real next-to-next-to-leading-order QCD corrections to J/ψ and Y hadroproduction in association with a photon, Phys. Lett. B 679 (2009) 340 [ arXiv:0901.4777 ] [ INSPIRE ].
A.K. Leibovich, ψ ′ polarization due to color octet quarkonia production, Phys. Rev. D 56 (1997) 4412 [ hep-ph/9610381 ] [ INSPIRE ].
C. Kim and E. Mirkes, Testing J/ψ production and decay properties in hadronic collisions, Phys. Rev. D 51 (1995) 3340 [ hep-ph/9407318 ] [ INSPIRE ].
S.J. Brodsky and J.-P. Lansberg, Heavy-quarkonium production in high energy proton-proton collisions at RHIC, Phys. Rev. D 81 (2010) 051502 [ arXiv:0908.0754 ] [ INSPIRE ].
J. Lansberg, Total J/ψ and Y production cross section at the LHC: theory vs. experiment, PoS(ICHEP2010) 206 [ arXiv:1012.2815 ] [ INSPIRE ].
J. Lansberg, Y production in pp and pA collisions: from RHIC to the LHC, arXiv:1209.0331 [ INSPIRE ].
PHENIX collaboration, A. Adare et al., J/ψ production versus transverse momentum and rapidity in p̄p collisions at √s=200 GeV, Phys. Rev. Lett. 98 (2007) 232002 [ hep-ex/0611020 ] [ INSPIRE ]. (Pubitemid 47139773)
STAR collaboration, B. Abelev et al., Y cross section in p + p collisions at √s=200 GeV, Phys. Rev. D 82 (2010) 012004 [ arXiv:1001.2745 ] [ INSPIRE ].
CDF collaboration, D. Acosta et al., Y production and polarization in p̄p collisions at √s=1.8 TeV,Phys. Rev. Lett. 88 (2002) 161802 [ INSPIRE ].
D0 collaboration, V. Abazov et al., Measurement of inclusive differential cross sections for Y1st production in p̄p collisions at √s=1.96 TeV, Phys. Rev. Lett. 94 (2005) 232001 [Erratum ibid. 100 (2008) 049902] [ hep-ex/0502030 ] [ INSPIRE ]. (Pubitemid 41636537)
CMS collaboration, Measurement of the inclusive Y production cross section in pp collisions at √s=7 TeV, Phys. Rev. D 83 (2011) 112004 [ arXiv:1012.5545 ] [ INSPIRE ].
ATLAS collaboration, Measurement of the Y1st production cross-section in pp collisions at √s=7 TeV in ATLAS, Phys. Lett. B 705 (2011) 9[ arXiv:1106.5325 ] [ INSPIRE ].
LHCb collaboration, Measurement of Y production in pp collisions at √s=7 TeV, Eur. Phys. J. C 72 (2012) 2025 [ arXiv:1202.6579 ] [ INSPIRE ].
LHCb collaboration, Measurement of J/ψ production in pp collisions at √s=7 TeV, Eur. Phys. J. C 71 (2011) 1645 [ arXiv:1103.0423 ] [ INSPIRE ].
ALICE collaboration, Rapidity and transverse momentum dependence of inclusive J/ψ production in pp collisions at √s=7 TeV, Phys. Lett. B 704 (2011) 442 [Erratum ibid. B 718 (2012) 692] [ arXiv:1105.0380 ] [ INSPIRE ].
F. Cooper, M.X. Liu and G.C. Nayak, J/ψ production in pp collisions at √s=200 GeV at RHIC, Phys. Rev. Lett. 93 (2004) 171801 [ hep-ph/0402219 ] [ INSPIRE ].
Z.-G. He, Y. Fan and K.-T. Chao, Relativistic correction to e + e - → J/ψ + gg at B factories and constraint on color-octet matrix elements, Phys. Rev. D 81 (2010) 054036 [ arXiv:0910.3636 ] [ INSPIRE ].
Y.-J. Zhang, Y.-Q. Ma, K. Wang and K.-T. Chao, QCD radiative correction to color-octet J/ψ inclusive production at B factories, Phys. Rev. D 81 (2010) 034015 [ arXiv:0911.2166 ] [ INSPIRE ].
Y.-Q. Ma, Y.-J. Zhang and K.-T. Chao, QCD correction to e + e - → J/ψgg at B factories, Phys. Rev. Lett. 102 (2009) 162002 [ arXiv:0812.5106 ] [ INSPIRE ].
B. Gong and J.-X. Wang, Next-to-leading-order QCD corrections to e + e - → J/ψ + gg at the B factories, Phys. Rev. Lett. 102 (2009) 162003 [ arXiv:0901.0117 ] [ INSPIRE ].
F. Maltoni et al., Analysis of charmonium production at fixed-target experiments in the NRQCD approach, Phys. Lett. B 638 (2006) 202 [ hep-ph/0601203 ] [ INSPIRE ].
S. Mao, M. Wen-Gan, L. Gang, Z. Ren-You and G. Lei, QCD corrections to J/ψ plus Z 0 -boson production at the LHC, JHEP 02 (2011) 071 [Erratum ibid. 12 (2012) 010] [ arXiv:1102.0398 ] [ INSPIRE ].
B. Gong and J.-X. Wang, QCD corrections to double J/ψ production in e + e - annihilation at √s=10.6 GeV, Phys. Rev. Lett. 100 (2008) 181803 [ arXiv:0801.0648 ] [ INSPIRE ]. (Pubitemid 351656915)
B. Gong and J.-X. Wang, Next-to-leading-order QCD corrections to e + e - → J/ψcc at the B factories, Phys. Rev. D 80 (2009) 054015 [ arXiv:0904.1103 ] [ INSPIRE ].
J.-X. Wang, Progress in FDC project, Nucl. Instrum. Meth. A 534 (2004) 241 [ hep-ph/0407058 ] [ INSPIRE ].
G. Duplancic and B. Nizic, Reduction method for dimensionally regulated one loop N point Feynman integrals, Eur. Phys. J. C 35 (2004) 105 [ hep-ph/0303184 ] [ INSPIRE ]. (Pubitemid 38830185)
B. Harris and J. Owens, The two cutoff phase space slicing method, Phys. Rev. D 65 (2002) 094032 [ hep-ph/0102128 ] [ INSPIRE ].
G. Altarelli, R.K. Ellis and G. Martinelli, Large perturbative corrections to the Drell-Yan process in QCD, Nucl. Phys. B 157 (1979) 461 [ INSPIRE ].
P. Artoisenet, F. Maltoni and T. Stelzer, Automatic generation of quarkonium amplitudes in NRQCD, JHEP 02 (2008) 102 [ arXiv:0712.2770 ] [ INSPIRE ].
Generate processes online using MadGraph 5 webpage, http://madgraph.hep. uiuc.edu/.
J. Pumplin et al., New generation of parton distributions with uncertainties from global QCD analysis, JHEP 07 (2002) 012 [ hep-ph/0201195 ] [ INSPIRE ].
J.M. Campbell, R.K. Ellis, F. Maltoni and S. Willenbrock, Associated production of a Z boson and a single heavy quark jet, Phys. Rev. D 69 (2004) 074021 [ hep-ph/0312024 ] [ INSPIRE ].
LHCb collaboration, Observation of double charm production involving open charm in pp collisions at √s=7 TeV, JHEP 06 (2012) 141 [ arXiv:1205.0975 ] [ INSPIRE ].
M. Beneke, M. Krämer and M. Vanttinen, Inelastic photoproduction of polarized J/ψ, Phys. Rev. D 57 (1998) 4258 [ hep-ph/9709376 ] [ INSPIRE ].
P. Faccioli, C. Lourenco, J. Seixas and H.K. Wohri, Towards the experimental clarification of quarkonium polarization, Eur. Phys. J. C 69 (2010) 657 [ arXiv:1006.2738 ] [ INSPIRE ].
P. Faccioli, Questions and prospects in quarkonium polarization measurements from proton-proton to nucleus-nucleus collisions, Mod. Phys. Lett. A 27 (2012) 1230022 [ arXiv:1207.2050 ] [ INSPIRE ].
CDF collaboration, D. Acosta et al., Search for associated production of Y and vector boson in p̄p collisions at √s=1.8 TeV, Phys. Rev. Lett. 90 (2003) 221803 [ INSPIRE ].
M. Kruse, A. Limosani and C. Zhou, private communications.
P.L. Cho and A.K. Leibovich, Color octet quarkonia production, 2, Phys. Rev. D 53 (1996) 6203 [ hep-ph/9511315 ] [ INSPIRE ].
E. Braaten, J. Lee and S. Fleming, Associated production of Y and weak gauge bosons at the Tevatron, Phys. Rev. D 60 (1999) 091501 [ hep-ph/9812505 ] [ INSPIRE ].
B. Gong, J.-X. Wang and H.-F. Zhang, QCD corrections to Y production via color-octet states at the Tevatron and LHC, Phys. Rev. D 83 (2011) 114021 [ arXiv:1009.3839 ] [ INSPIRE ].
S. Mao, M. Wen-Gan, L. Gang, Z. Ren-You and G. Lei, QCD corrections to J/ψ plus Z 0 -boson production at the LHC, JHEP 02 (2011) 071 [Erratum ibid. 12 (2012) 010] [ arXiv:1102.0398 ] [ INSPIRE ].
Similar publications
Sorry the service is unavailable at the moment. Please try again later.
This website uses cookies to improve user experience. Read more
Save & Close
Accept all
Decline all
Show detailsHide details
Cookie declaration
About cookies
Strictly necessary
Performance
Strictly necessary cookies allow core website functionality such as user login and account management. The website cannot be used properly without strictly necessary cookies.
This cookie is used by Cookie-Script.com service to remember visitor cookie consent preferences. It is necessary for Cookie-Script.com cookie banner to work properly.
Performance cookies are used to see how visitors use the website, eg. analytics cookies. Those cookies cannot be used to directly identify a certain visitor.
Used to store the attribution information, the referrer initially used to visit the website
Cookies are small text files that are placed on your computer by websites that you visit. Websites use cookies to help users navigate efficiently and perform certain functions. Cookies that are required for the website to operate properly are allowed to be set without your permission. All other cookies need to be approved before they can be set in the browser.
You can change your consent to cookie usage at any time on our Privacy Policy page.
